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M4 aluminum joining technology
University of Kentucky This research is devoted to the study (from a research stage to the early feasibility research of the manufacturing process) of a novel micro/meso mechanical-manufacturing metal joining technology. The novelty is founded on a concept of an efficient capillary flow of molten metal through micro grooves, hence providing filler metal in the joint zone from a distant filler source to a difficult to approach micro zone of the joint. In addition, this approach resolves significant obstacles in formation of good integrity joints in the existing state-of-the-art aluminum controlled atmosphere brazing (CAB) manufacturing for cases when poor joint formation is caused by tight requirements imposed by topological features of the mating surfaces (such as in novel compact heat exchanger designs for automotive applications, and/or applications for MEMS and other micro devices). The objective of this research is to focus on the technology development (in particular process parameters vs. manufacturing task for the given set of materials).
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